B=[];
B=[ 3.9863	-6.3647
4.5512	-6.3425
5.0877	-6.235
5.5043	-5.9997
5.7938	-5.6507
5.8291	-4.9749
5.589	-3.9865
5.0313	-2.7853
4.3323	-1.6696
3.6474	-0.8739
3.0402	-0.4836
2.4189	-0.3138
1.8047	-0.2365
1.0563	-0.1096
0.2938	-0.0396
-0.5041	0.0517
-1.203	0.0578
-1.7679	-0.1138
-2.135	-0.4558
-2.248	-0.9752
-2.0785	-1.6293
-1.9091	-1.6931
-1.7467	-2.1197
-1.7608	-2.3402
-1.4501	-2.5602
-1.0195	-3.0646
-0.3699	-3.718
0.3644	-4.4282
1.1904	-5.1525
1.9741	-5.7062
2.7155	-6.1176
3.3509	-6.3088
];

scatter(B(:,1),B(:,2))
plot(B(:,1),B(:,2))

hold on

for j=1:32
  c = num2str(j);%数字转字符
  text(B(j,1),B(j,2),c);%在图上显示文字   
end
hold off

%%



